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茶树旱害是指在长期无雨或少雨的气候条件下,土壤水分不能满足茶树的需求,使茶树生育受阻或植株死亡的气象灾害。湖北省地处长江中游,7、8月份常有高温伏旱,有时持续数十天。在此期间,茶叶产量低而不稳,常常出现成年茶树枯叶,幼年茶树尤其是当年播种或移栽的茶苗成片枯死,这就是最典型的茶树旱害。 茶树旱害的防救,除选用抗逆力强的茶树品种外,主要应从控制外界环境条件,改善栽培技术着手,并密切
Tea tree drought refers to the meteorological disaster that the soil moisture can not meet the demand of the tea tree and the growth of the tea tree is blocked or the plants die under the condition of prolonged rain-free or dry weather. Hubei Province is located in the middle reaches of the Yangtze River. In July and August, it is often characterized by high temperature and drought, sometimes for tens of days. During this period, tea production is low and unstable, often appear dead leaves of adult tea trees, young tea, especially the sown or transplanted tea seedlings died, which is the most typical tea drought. Tea tree drought damage prevention and treatment, in addition to the selection of strong resistance to the varieties of tea trees, the main environmental conditions should be controlled from outside to improve the cultivation techniques to proceed, and close